Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tra cong cuc snippets" » "tran cong cuc snippets", "trao cong cuc snippets", "trang cong cuc snippets", "tra cong chuc snippets", "tra cong cuoc snippets", "tra cong cu snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("tra cong cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tra cong cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tra cong cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tra cong cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.